More and more malls are obsolete in today's world of internet shopping. The big problem then becomes what to do with them. This innovative developer is putting 225 sq ft modern apartments inside, and renters are snapping them up!

Every piece of garbage can be turned into raw material that can be used in future products. With his influential Cradle to Cradle movement, Germany's Michael Braungart espouses a form of eco-hedonism that puts smart production before conservation.

It used to be that a roof was just a roof. Then designers started putting gardens on them and they started radically changing the way buildings are designed, as architects figured out how to make them accessible